<template>
  <div>
    <city-header></city-header>
    <city-search :cities="cities"></city-search>
    <city-list :cities="cities" :hot="hotCities" :letter="letter"></city-list>
    <city-alphabet :cities="cities" @change='handleLetterChange'></city-alphabet>  
  </div>
</template>

<script>
import axios from 'axios'
import CityHeader from './components/Header'
import CitySearch from './components/Search'
import CityList from './components/List'
import CityAlphabet from './components/Alphabet'
export default {
  name: 'City',
  components:{
    CityHeader,
    CitySearch,
    CityList,
    CityAlphabet
  },
  data(){
    return{
       cities:{},
       hotCities:[],
       letter:''
    }
  },
  mounted(){
    this.getCityInfo();
  },
  methods:{
    getCityInfo(){
      axios.get('/api/city.json')
      .then(this.handleGetCityInfoSucc);
    },
    handleGetCityInfoSucc(res){
      res=res.data;
      if(res.ret && res.data){
        const data = res.data;
        this.cities = data.cities;
        this.hotCities = data.hotCities;
      }
    },
    handleLetterChange(letter){
      this.letter= letter;
    }
  }
 }
</script>
 
